OF-2369: Do not do outbound S2S when inbound disabled.
When Openfire is configured to not allow inbound S2S of a particular flavor (direct or non-direct TLS) do not try to establish outbound S2S of the same type.
This effectively makes an outbound S2S attempt impossible when Openfire is configured to not accept any inbound S2S.
OF-2354: Allow whitespace around comma-separated string values for list
When reading a comma-separated string to be parsed as a list of strings, whitespace surrounding the comma's should be ignored.
